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Analysis on carbon emissions efficiency differences and optimization evolution of China's industrial system: An
Shuang Wang1, Yang Yu2,3, Tangyang Jiang4
1School of Public Affairs, Chongqing University, Chongqing, China.
Plos One
|March 24, 2022
Summary
China
Area of Science:
- Environmental Science
- Industrial Ecology
- Energy Economics
Background:
- Excessive carbon emissions exacerbate climate change and hinder sustainable economic development.
- Improving industrial carbon emissions efficiency is crucial for emission reduction.
- Accurate measurement of China's industrial carbon emissions efficiency is vital for policy development.
Purpose of the Study:
- To measure and analyze the industrial carbon emissions efficiency and its evolution in China from 2002 to 2015.
- To identify factors influencing carbon emissions efficiency across various industrial sectors.
- To provide evidence-based policy recommendations for enhancing industrial carbon emissions efficiency.
Main Methods:
- Employed the energy consumption method and input-output method for calculations.
- Analyzed carbon emissions efficiency and its temporal evolution.
- Compared efficiency across different industrial sectors, including agriculture, construction, and heavy industry.
Main Results:
- Ignoring cement production's carbon emissions can overestimate heavy industry efficiency by 30%.
- Overall industrial carbon emissions efficiency in China doubled between 2002 and 2015.
- Significant efficiency gains were observed in agriculture, construction, and light industry, while the fossil energy sector saw a decrease.
Conclusions:
- Industrial carbon emissions efficiency in China has improved significantly, but disparities exist across sectors.
- Agriculture, service, light industry, and construction sectors generally exhibit higher efficiency.
- Power, fossil energy, transportation, chemical, and heavy industries require targeted strategies for efficiency improvement.
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